Improper input validation in Linux kernel

1) Improper input validation

EUVDB-ID: #VU95662

Risk: Low

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2003-0248

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The mxcsr code in Linux kernel 2.4 allows attackers to modify CPU state registers via a malformed address.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://www.debian.org/security/2003/dsa-311
https://www.debian.org/security/2003/dsa-312
https://www.debian.org/security/2003/dsa-332
https://www.debian.org/security/2003/dsa-336
https://www.debian.org/security/2004/dsa-442
https://www.mandriva.com/security/advisories?name=MDKSA-2003:066
https://www.mandriva.com/security/advisories?name=MDKSA-2003:074
https://www.redhat.com/support/errata/RHSA-2003-187.html
https://www.redhat.com/support/errata/RHSA-2003-195.html
https://www.turbolinux.com/security/TLSA-2003-41.txt
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A292

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.